INSTRUCTION BUSES
Continued from page 44.
PIN NAME
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
RD8
RD9
RD10
RD11
RD12
RD13
RD14
RD15
PIN NUMBER
FLTPK PGA
130
H1
3
J1
4
K1
5
J2
6
K2
7
K3
8
L1
9
M1
10
N1
11
M2
12
L3
13
N2
14
P1
15
M3
16
N3
17
P2
TYPE
TTB
ACTIVE
--
DESCRIPTION
Instruction Data Bus. This bidirectional data bus is the
interface with the memory. RD15 is the most significant
bit. The Data Bus enters a high-impedance state only
when the UT69R000 is in the test mode (TEST = 0).
POWER AND GROUND
PIN NAME
VD D
PIN NUMBER
FLTPK PGA
34
H3
67
N9
100
G13
132
C7
TYPE
--
ACTIVE
--
DESCRIPTION
+5 V DC Power. Power supply input.
VSS
1
J3
--
--
Reference Ground. Zero Volts DC, logic ground.
33
N8
66
H13
99
C8
45